Transcript for Instant Index: 23-Year-Old 'Arab Idol' Named Special Ambassador

Topping our "instant index" here on a sunday night, from "american idol" to "arab idol." The one voice heard across the arab world overnight, uniting palestinians. &#9834; it turns out 23-year-old mohammed assaf went from wedding singer at a refugee camp to the new "arab idol" on their television show there. Massive crowds gathering in the streets of the west bank, erupting when his name was announced last night. A rare scene of so many there united behind art. Assaf is being hailed a hero and was even named a special ambassador by the palestinian president. Now the weather forecast trending tonight. Not because of the temperatures. Watch what happens when a little bug crawls opt the camera lens, providing the image behind this meteorologist. And, for our area -- oh, my gosh! Ah -- creepy! Oh, of course he had to be right on my head. Oh, I just don't like that, i have to move -- ah! It's all okay there in vancouver, by the way. It sails it's going to be 17 celsius.

This transcript has been automatically generated and may not be 100% accurate.

{"id":19469206,"title":"Instant Index: 23-Year-Old 'Arab Idol' Named Special Ambassador","duration":"0:59","description":"David Muir reveals the top stories that have people buzzing this week.","url":"/WNT/video/instant-index-23-year-arab-idol-named-special-19469206","section":"WNT","mediaType":"default"}